open access

https://hdl.handle.net/2115/94264

Stretchable Electronic Skin using Laser-Induced Graphene and Liquid Metal with an Action Recognition System Powered by Machine Learning

英語

stretchable devices

2024-07-24

Wiley-Blackwell

Advanced Functional Materials

34(30)

2313824

Monitoring tactile pressure and recognizing action are important functionalities for artificial electronic skin (e-skin). Furthermore, in order to create conformable coverings for 3D objects, an e-skin needs to be stretchable, without sacrificing sensitivity to tactile pressure. However, stretching of sensors normally affects their output stability. In this study, a stretchable e-skin is developed using laser-induced graphene and a liquid metal alloy, GaInSn, in an elastic ecoflex polymer to create a stretchable, resistive-type tactile pressure sensor. Furthermore, a pressure sensor array is fabricated as an e-skin, and output is signal-processed using machine learning. With this system, the e-skin also monitors its stretching state, with the result that tactile pressure can be calculated regardless of the degree of stretching. With machine learning-assisted e-skin, actions such as patting, sliding, and grabbing are successfully recognized in the manner of human skin.

学術雑誌論文

Accepted Manuscript

This is the peer reviewed version of the following article: Y. Li, G. Matsumura, Y. Xuan, S. Honda, K. Takei, Stretchable Electronic Skin using Laser-Induced Graphene and Liquid Metal with an Action Recognition System Powered by Machine Learning. Adv. Funct. Mater. 2024, 34, 2313824., which has been published in final form at https://doi.org/10.1002/adfm.202313824. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.

1616-301X